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Sync settings

Choose what your account keeps in step on every device where you are signed in.

  • My tools

    Always synced: the tools on your board, their order and size.

  • The windows open on your start page, including what you typed in them.

  • Every note in the notepad – on the notepad page, on your board and in windows.

  • Every list of website shortcuts – on the shortcuts page, on your board and in windows.

  • Every grid in the cover grid maker – on its page, on your board and in windows.

  • Every list of bookmarked organisations in the OIN lookup – on its page, on your board and in windows.

  • Keeps your pipeline and saved recipes on all your devices. Your files are never synced – only the steps and settings.

Turning something off removes it from your account straight away. Your devices keep their own copy.

Notifications

Tools that can tell you about something new while a Synsi tab is open, even when you are in another tab or app. Choose them for this browser.

This browser cannot show notifications from websites.
Notifications are blocked for this site. Allow them in your browser’s site settings (the icon left of the address), then switch them on here.

  • Says “New message” while a Synsi tab is open – never who wrote it or what.

Your choice is stored in this browser only. Notifications never show personal content such as a message or a number. They work while a Synsi tab is open; closed tabs get none.

Browse all tools →

How Many Days Until a Date?

Count down the days until any date from today or a date you choose.

My tools →

Days between dates

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Full weeks

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Remaining days

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Date and time results follow the Gregorian calendar and standard time-zone data. Working-day counts exclude weekends but do not automatically remove public holidays. Check local rules and daylight-saving transitions when timing is critical.

Runs in your browser – your data never leaves your device Also available via our free API

How to use the Days Until Date Calculator

  1. 1 Choose a target date.
  2. 2 Keep today as the start or choose another start date.
  3. 3 Read the remaining days and full weeks.

Count the days until an event

Choose a target date to see the number of calendar days between the start date and that event. The default start date is today.

Dates that have passed

If the target date is earlier than the start date, the result is negative to show that the date has passed.

Frequently asked questions

Does the countdown include today?

It counts the number of date boundaries from the start date to the target date. Today is not counted as a full day.

Can I count down to a past date?

Yes. A past target date is shown as a negative number of days.

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